Field class API: use status

[babeltrace.git] / include / babeltrace / trace-ir / field-class-const.h

diff --git a/include/babeltrace/trace-ir/field-class-const.h b/include/babeltrace/trace-ir/field-class-const.h
index da751ebec9faffe3bf18eb956c96e0811534699a..cb369b37f21118879df3f5455b4e24eb11d650f9 100644 (file)
--- a/include/babeltrace/trace-ir/field-class-const.h
+++ b/include/babeltrace/trace-ir/field-class-const.h
@@ -42,6 +42,11 @@
 extern "C" {
 #endif
 
+enum bt_field_class_status {
+       BT_FIELD_CLASS_STATUS_OK = 0,
+       BT_FIELD_CLASS_STATUS_NOMEM = -12,
+};
+
 enum bt_field_class_type {
        BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER,
        BT_FIELD_CLASS_TYPE_SIGNED_INTEGER,
@@ -106,12 +111,14 @@ bt_field_class_signed_enumeration_mapping_ranges_get_range_by_index(
                const bt_field_class_unsigned_enumeration_mapping_ranges *ranges,
                uint64_t index, int64_t *lower, int64_t *upper);
 
-extern int bt_field_class_unsigned_enumeration_get_mapping_labels_by_value(
+extern enum bt_field_class_status
+bt_field_class_unsigned_enumeration_get_mapping_labels_by_value(
                const bt_field_class *field_class, uint64_t value,
                bt_field_class_enumeration_mapping_label_array *label_array,
                uint64_t *count);
 
-extern int bt_field_class_signed_enumeration_get_mapping_labels_by_value(
+extern enum bt_field_class_status
+bt_field_class_signed_enumeration_get_mapping_labels_by_value(
                const bt_field_class *field_class, int64_t value,
                bt_field_class_enumeration_mapping_label_array *label_array,
                uint64_t *count);